GENSSI On/Off Rocker Switch 4-Pin for Headlights, Fog Lights, Light Bars (Pack of 1) GENSSI on/off rocker switch; Two modes: on or off Can be wired to any type of lighting including LED light bars; fog lamps; head lamps and more! Built-in LED light in Blue color 12V DC; 4-Pin connector Pack of 1; About 1.66 inches x .9 inches x 1.5 inches